package com.aaa.service;

import com.aaa.entity.Book;
import com.baomidou.mybatisplus.extension.service.IService;

import java.util.List;
import java.util.Map;

public interface BookServiceDao{
    List<Book> find(Integer pageSize,Integer pageNum);
    Integer findcount();
    int add(Book book);
    int update(Book book);
    int undercarriage(Integer id);
    List<Book> find1();
}
